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Finding the Fourth Proportional to 63,653.34, 87,834.87 and 36,791.58

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Solution

The fourth proportional to 63,653.34, 87,834.87 and 36,791.58 is: 50,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,653.34 : 87,834.87 = 36,791.58 : x
  2. Step 2: Convert to fraction form
    63,653.34/87,834.87 = 36,791.58/x
  3. Step 3: Cross multiply
    63,653.34x = 87,834.87 × 36,791.58
  4. Step 4: Simplify right side
    63,653.34x = 3,231,583,646.39
  5. Step 5: Solve for x
    x = 3,231,583,646.39/63,653.34
  6. Step 6: Final answer
    x = 50,768.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.